Home / 19,986.18-27,581.02-11,033.52

Finding the Fourth Proportional to 19,986.18, 27,581.02 and 11,033.52

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Solution

The fourth proportional to 19,986.18, 27,581.02 and 11,033.52 is: 15,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.18 : 27,581.02 = 11,033.52 : x
  2. Step 2: Convert to fraction form
    19,986.18/27,581.02 = 11,033.52/x
  3. Step 3: Cross multiply
    19,986.18x = 27,581.02 × 11,033.52
  4. Step 4: Simplify right side
    19,986.18x = 304,315,735.79
  5. Step 5: Solve for x
    x = 304,315,735.79/19,986.18
  6. Step 6: Final answer
    x = 15,226.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.